ONE QUESTION, ONE STEP
ZX-8AEF0326062023年11月A卷 · 第 14 题
2023年11月A卷 · 原库模块 2 · Q14 原库参考解析
The function \( f \) is defined by \( f\left(x\right)=-39^x \). The function \( g \) is a decreasing linear function. In the \( xy \)-plane, the graphs of \( y=f\left(x\right) \) and\( y=g\left(x\right) \)intersect at two points, (\( h,\ j \)) and (\( k,\ m \)), where \( j \) > \( m. \) When \( g(x)<f(x) \), which of the following must also be true?
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解题思路
容易忽略的一步
